diff --git a/build.gradle b/build.gradle
index 2c705c1..87a54ec 100644
--- a/build.gradle
+++ b/build.gradle
@@ -37,7 +37,7 @@ dependencies {
 	include "io.wispforest:owo-sentinel:${project.owo_version}"
 
 	// gson
-	implementation "com.google.code.gson:gson:2.8.6"
+	implementation 'com.google.code.gson:gson:2.8.9'
 	
 	// Uncomment the following line to enable the deprecated Fabric API modules. 
 	// These are included in the Fabric API production distribution and allow you to update your mod to the latest modules at a later more convenient time.
@@ -54,7 +54,7 @@ processResources {
 }
 
 tasks.withType(JavaCompile).configureEach {
-	it.options.release = 17
+	it.options.release = 21
 }
 
 java {
@@ -63,8 +63,8 @@ java {
 	// If you remove this line, sources will not be generated.
 	withSourcesJar()
 
-	sourceCompatibility = JavaVersion.VERSION_17
-	targetCompatibility = JavaVersion.VERSION_17
+	sourceCompatibility = JavaVersion.VERSION_21
+	targetCompatibility = JavaVersion.VERSION_21
 }
 
 jar {
diff --git a/gradle.properties b/gradle.properties
index 0e650eb..e90aa16 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,17 +4,17 @@ org.gradle.parallel=true
 
 # Fabric Properties
 # check these on https://fabricmc.net/develop
-minecraft_version=1.20.6
-yarn_mappings=1.20.6+build.1
+minecraft_version=1.21
+yarn_mappings=1.21+build.2
 loader_version=0.15.11
 
 # Fabric API
-fabric_version=0.98.0+1.20.6
+fabric_version=0.100.3+1.21
 
 # Mod Properties
-mod_version=1.2.3
+mod_version=1.2.4
 maven_group=xyz.imcodist.quickmenu
 archives_base_name=quick-menu
 
 # owo-lib
-owo_version=0.12.8+1.20.5
\ No newline at end of file
+owo_version=0.12.10+1.21
\ No newline at end of file
diff --git a/src/main/java/xyz/imcodist/quickmenu/data/ActionButtonData.java b/src/main/java/xyz/imcodist/quickmenu/data/ActionButtonData.java
index 0c54744..a703540 100644
--- a/src/main/java/xyz/imcodist/quickmenu/data/ActionButtonData.java
+++ b/src/main/java/xyz/imcodist/quickmenu/data/ActionButtonData.java
@@ -65,7 +65,7 @@ public static ActionButtonData fromJSON(ActionButtonDataJSON json) {
         });
 
         if (json.icon != null) {
-            data.icon = new ItemStack(Registries.ITEM.get(new Identifier(json.icon)));
+            data.icon = new ItemStack(Registries.ITEM.get(Identifier.of(json.icon)));
             data.icon.set(DataComponentTypes.CUSTOM_MODEL_DATA, new CustomModelDataComponent(json.customModelData));
         }
 
diff --git a/src/main/java/xyz/imcodist/quickmenu/ui/components/QuickMenuButton.java b/src/main/java/xyz/imcodist/quickmenu/ui/components/QuickMenuButton.java
index 52b509e..07374e5 100644
--- a/src/main/java/xyz/imcodist/quickmenu/ui/components/QuickMenuButton.java
+++ b/src/main/java/xyz/imcodist/quickmenu/ui/components/QuickMenuButton.java
@@ -23,7 +23,7 @@ public QuickMenuButton(ItemStack icon, Consumer<ButtonComponent> onPress, Consum
 
         sizing(Sizing.fixed(26), Sizing.fixed(26));
         renderer(ButtonComponent.Renderer.texture(
-                new Identifier("quickmenu", "textures/switcher_buttons.png"),
+                Identifier.of("quickmenu", "textures/switcher_buttons.png"),
                 0, 0,
                 64, 64
         ));
diff --git a/src/main/java/xyz/imcodist/quickmenu/ui/popups/ItemPickerUI.java b/src/main/java/xyz/imcodist/quickmenu/ui/popups/ItemPickerUI.java
index 0068f38..ce788af 100644
--- a/src/main/java/xyz/imcodist/quickmenu/ui/popups/ItemPickerUI.java
+++ b/src/main/java/xyz/imcodist/quickmenu/ui/popups/ItemPickerUI.java
@@ -52,7 +52,7 @@ public ItemPickerUI() {
         mainLayout.child(searchBoxLayout);
 
         TextureComponent textureComponent = Components.texture(
-                new Identifier("quickmenu", "textures/search_icon.png"),
+                Identifier.of("quickmenu", "textures/search_icon.png"),
                 0, 0,
                 12, 12,
                 12, 12
diff --git a/src/main/java/xyz/imcodist/quickmenu/ui/surfaces/SwitcherSurface.java b/src/main/java/xyz/imcodist/quickmenu/ui/surfaces/SwitcherSurface.java
index 9d66f71..26c6ff0 100644
--- a/src/main/java/xyz/imcodist/quickmenu/ui/surfaces/SwitcherSurface.java
+++ b/src/main/java/xyz/imcodist/quickmenu/ui/surfaces/SwitcherSurface.java
@@ -58,7 +58,7 @@ public void drawNineSlicedTexture(OwoUIDrawContext context, int x, int y, int wi
     }
 
     public void drawTexture(OwoUIDrawContext context, int x, int y, int sourceX, int sourceY, int sourceWidth, int sourceHeight, int textureWidth, int textureHeight) {
-        context.drawTexture(new Identifier("quickmenu", "textures/switcher_textures.png"), x, y, sourceX, sourceY, sourceWidth, sourceHeight, textureWidth, textureHeight);
+        context.drawTexture(Identifier.of("quickmenu", "textures/switcher_textures.png"), x, y, sourceX, sourceY, sourceWidth, sourceHeight, textureWidth, textureHeight);
     }
 
     public void drawRepeatingTexture(OwoUIDrawContext context, int x, int y, int sourceX, int sourceY, int sourceWidth, int sourceHeight, int textureWidth, int textureHeight, int width, int height) {
diff --git a/src/main/resources/fabric.mod.json b/src/main/resources/fabric.mod.json
index 96751ac..43ce422 100644
--- a/src/main/resources/fabric.mod.json
+++ b/src/main/resources/fabric.mod.json
@@ -30,7 +30,7 @@
 	],
 	"depends": {
 		"fabricloader": ">=0.15.11",
-		"minecraft": "~1.20.5",
+		"minecraft": "~1.21",
 		"java": ">=21",
 		"fabric-api": "*",